Patents by Inventor Leslie F. Sapsed

Leslie F. Sapsed has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4184598
    Abstract: An article sorting apparatus provides a continual indicator stream which is directed by operation of an indicator member onto a selected article of several articles conveyed through an inspection area. The position of the indicator member when the stream impinges on it is detected to generate a position-dependent signal which is fed to a deflector to deflect the selected article from the path followed by the other articles.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: January 22, 1980
    Assignee: Lockwood Graders (UK) Limited
    Inventors: Robert M. Cowlin, Peter G. Long, Leslie F. Sapsed, John F. Steward